/Engine/Plugins/Runtime/RigVM/Source/RigVMDeveloper/Public/RigVMCompiler/RigVMAST.h
Returns the AST's override table for pin defaults
const [URigVMPin::FPinOverrideMap](API\Plugins\RigVMDeveloper\RigVMModel\URigVMPin\FPinOverrideMap) & GetPinOverrides() const